rcos rcsc rcsi rcsl rcss rib- ribo ribs ricc rick rico rics riis riki rikk rill rilo riol rios riri rirs risc risi risk riso riss rkos rkss rlcs rlls rob- robb robi robo robs rocc rock roco rocs roik roil roio roir rois roki rokk roko rokr roks rolk roll rolo roob rooi rook rool roor roos rorc rori rork roro rosc rosi roso ross rrrr rsbi rscc rscs rsis rslc rsos rssl s-ib s-ic s-ii s-os sbbs sbcc sbcs sbic sbor sbrk sbsi scbi sccc sccl sccs sci- scic scil scio scir scis sck- sckl scl- sclc sclk scls scob scok scol scoo scor scr- scrc scri scrs scsc scsi scsl scso scsr sibc sibi sibo sibs sicc sici sick sico sics siik siki siko sikr siks sil- silc sili silk sill silo sils siol sior sios sirc siri sirk siro sirr sirs sisc sisi sisk siss skic skik skil skio skir skis skol skor skss sl-i slcc slib slic slik slir slob sloc sloo slos slrc slrs slsc sobo sobr sobs soci sock socl soco socr socs soic soik soil soir sois soki sokk soko soli solk soll solo solr sols sook sool soor soos sorb sori soro sorr sors sosi soso soss srbc srcc srib sris sros ssbr sscc ssci sscs ssis sslc ssoc ssrc ssri ssrl ssrs sssb sssc sssi ssss